Home / 13,771.01-20,659.88-4,411.05

Finding the Fourth Proportional to 13,771.01, 20,659.88 and 4,411.05

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Solution

The fourth proportional to 13,771.01, 20,659.88 and 4,411.05 is: 6,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.01 : 20,659.88 = 4,411.05 : x
  2. Step 2: Convert to fraction form
    13,771.01/20,659.88 = 4,411.05/x
  3. Step 3: Cross multiply
    13,771.01x = 20,659.88 × 4,411.05
  4. Step 4: Simplify right side
    13,771.01x = 91,131,774.70
  5. Step 5: Solve for x
    x = 91,131,774.70/13,771.01
  6. Step 6: Final answer
    x = 6,617.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.